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This paper presents an ultra-low-power low-noise bioamplifier for neural recording applications. The bioamplifier manifests a supply insensitive first gain stage and a CMOS-inverter-based second gain stage. The entire system is designed in 0.13-µm standard RF CMOS process. The bioamplifier operates at 0.6 V supply with a power consumption of only 198.6 nW. The midband gain of the amplifier is 24.94...
Closing the THz gap would lead to a tremendous of advancement in a wide range of applications such as biomedical imaging, security, and material inspection. The gap refers to the lack of devices for the manipulation of THz radiation as compared to its microwave and optical counterparts. Plasmonic devices based on semiconductors rather than metals allow the realization of efficient and small scale...
Ubiquitous monitoring of sensor data and long term reliable operation of sensor units have been studied extensively either for environmental monitoring or for biomedical applications. Long term operation of sensor units requires continuous wireless signal at the output. The proposed rectifier unit is designed and simulated using 0.5-μm standard CMOS process. Simulation results show that power supply...
Biomedical implants have been developed in the recent years with a focus for continuous and real-time monitoring of physiological parameters. Battery-less operation of the implanted unit requires energy harvesting from an inductive link or from the neighboring environment. For efficient conversion of harvested energy to a usable DC level, a rectifier block is employed. However conventional CMOS full...
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